User`s guide

Identifying ECG Problems
PageWriter 200/300pi M1771A/1770A Cardiograph 6-3
6
Wandering Baseline Patient movement.
Electrode movement. Poor electrode
contact and skin preparation.
Respiratory interference.
Reassure and relax the patient.
Be sure that the lead wires are not pull-
ing on the electrodes. Reapply elec-
trodes. Press the key if it is
configured for Baseline Wander.
Move lead wires away from areas with
the greatest respiratory motion.
Tremor or Muscle
Artifact
Poor electrode placement. Poor elec-
trode contact. Patient is cold.
Tense, uncomfortable patient.
Tremors.
Clean the electrode sites. Reapply elec-
trodes. Be sure the limb electrodes are
placed on flat, non-muscular areas.
Warm the patient.
Reassure and relax the patient. Press the
key if it is configured for Artifact.
Attach the limb electrodes near the
trunk. Press the key if it is config-
ured for Artifact.
Intermittent or Jittery
Wa v e f o r m
Poor electrode contact. Dry elec-
trodes.
Faulty lead wires.
Clean the electrode site. Reapply elec-
trodes. Check expiration date on dispos-
able electrodes.
Replace faulty patient cable.
Poor print quality
(uneven contrast or
blank streaks)
Dirty printhead. Clean the printhead.
Use recommended paper.
Table 6-2: ECG Problems and Solutions (Continued)
Problem Cause Possible Solutions
)LOWHU
)LOWHU
)LOWHU